Table III.

Stratification analysis of vascular endothelial growth factor gene polymorphisms in bladder cancer.

Variables	Total cases	rs833052						rs3025039						rs1570360
		CC		CA		AA		CC		CT		TT		GG		AG		AA
		n	P	n	P	n	P	n	P	n	P	n	P	n	P	n	P	n	P
Tumor stage
Superficial	189	110	0.92	58	0.49	21	0.36	113	0.13	68	0.06	8	0.54	95	0.20	68	0.28	26	0.76
Invasive	291	168		98		25		194		81		16		129		119		43
Tumor grade
Low	338	202	0.21	108	0.69	28	0.14	221	0.32	102	0.53	15	0.39	153	0.34	139	0.13	46	0.46
High	142	76		48		18		86		47		9		71		48		23
Histological type
Papillary	392	231	0.34	126	0.72	35	0.31	256	0.20	118	0.35	18	0.39	188	0.23	146	0.11	58	0.58
Non-papillary	88	47		30		11		51		31		6		36		41		11

n, sample size; P, P-value.